Home / 30,566.97-42,120.25-22,054.07

Finding the Fourth Proportional to 30,566.97, 42,120.25 and 22,054.07

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Solution

The fourth proportional to 30,566.97, 42,120.25 and 22,054.07 is: 30,389.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,566.97 : 42,120.25 = 22,054.07 : x
  2. Step 2: Convert to fraction form
    30,566.97/42,120.25 = 22,054.07/x
  3. Step 3: Cross multiply
    30,566.97x = 42,120.25 × 22,054.07
  4. Step 4: Simplify right side
    30,566.97x = 928,923,116.14
  5. Step 5: Solve for x
    x = 928,923,116.14/30,566.97
  6. Step 6: Final answer
    x = 30,389.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.